No problem, we've got 7798 and 8616 to multiply
7798 × 8616 = 8616 × (7798)
+ 8616 × 8 giving us 68928
+ 8616 × 90 that equals 775440
+ 8616 × 700 what gives us 6031200
+ 8616 × 7000 yielding 60312000

= 67187568
